/**
 * Created with IntelliJ IDEA.
 * Description:
 */

interface IShape {
    public final static int num = 10;
    void draw();
}

class Cycle implements IShape{
    @Override
    public void draw() {
        System.out.println("○");
    }
}


public class Test {
    public static void main(String[] args) {
        IShape shape = new Cycle();
        shape.draw();
    }
}
